/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.test.bpmn.event.signal;

public class FileExistsMock {

	private boolean exists = false;
	
	private static FileExistsMock instance;

	public static synchronized FileExistsMock getInstance() {
		if (instance == null) {
			instance = new FileExistsMock();
		}
		return instance;
	}
	
	public boolean fileExists(){
		return this.exists;
	}
	
	public void touchFile(){
		this.exists = true;
	}
	
	public void removeFile(){
		this.exists = false;
	}

}
